MR. JEFF HAMMAN consults on subsurface characterization and provides training and technical mentoring. He had 40 years of experience with Gulf, Chevron, Marathon, and BP before creating his own LLC. As a member of production teams, he provided characterization of most reservoir types across the major basins of the globe. A substantial portion of his career has been devoted to technology development and delivery in the areas of reservoir petrophysics, seismic reservoir characterization, and subsurface integration. Most of the last 15 years was devoted to leading and building teams and the extremely gratifying mentoring and development of people. He remains active in the SPE and SPWLA, has coauthored more than 30 papers and 2 patents, held professional registrations in petroleum engineering and geoscience, and received the SPE Gulf Coast Formation Evaluation Award. Jeff has a BS in Geology from LSU and an ME in Petroleum Engineering from Tulane University.